function tearDown()
 {
     parent::tearDown();
     $testFiles = array('/assets/testscript-test-file.pdf', '/assets/renamed-test-file.pdf', '/assets/renamed-test-file-second-time.pdf');
     foreach ($testFiles as $file) {
         if (file_exists(Director::baseFolder() . $file)) {
             unlink(Director::baseFolder() . $file);
         }
     }
 }
 public function tearDown()
 {
     parent::tearDown();
     Subsite::$strict_subdomain_matching = $this->origStrictSubdomainMatching;
 }